Demofest is an annual music festival held at the Kastel Fortress in Banja Luka, the second largest city in Bosnia and Herzegovina. It was founded in 2008 with the aim to provide young unsigned bands with an opportunity to develop and revive the rock scene of former Yugoslavia. Today, it is the biggest festival of unsigned bands in Southeastern Europe and one of the biggest festivals in this region. From 2008 to 2018, over 4,000 unsigned bands applied for the competition and 61 performers played in the non-competitive program.